Longmont, Colorado Weather Forecast

Local

Longmont, CO, US

40.16721, -105.10193

Normals for December

	Temp ( °F °C )			Precip ( " mm )		Degree Days
	Min	Max	Avg	MTD	YTD	Heating	Cooling
1	18 -8	47 9	33 0	0.02 undefined	14.77 undefined	32.3	0
2	18 -8	47 8	32 0	0.04 undefined	14.79 undefined	32.7	0
3	17 -8	47 8	32 0	0.06 undefined	14.81 undefined	33	0
4	17 -8	47 8	32 0	0.08 undefined	14.83 undefined	33.3	0
5	17 -9	46 8	31 0	0.1 undefined	14.85 undefined	33.6	0
6	16 -9	46 8	31 0	0.12 undefined	14.87 undefined	33.9	0
7	16 -9	46 8	31 -1	0.14 undefined	14.89 undefined	34.2	0
8	16 -9	46 8	31 -1	0.16 undefined	14.91 undefined	34.5	0
9	15 -9	45 7	30 -1	0.18 undefined	14.93 undefined	34.7	0
10	15 -9	45 7	30 -1	0.19 undefined	14.94 undefined	34.9	0
11	15 -10	45 7	30 -1	0.21 undefined	14.96 undefined	35.2	0
12	15 -10	45 7	30 -1	0.22 undefined	14.97 undefined	35.4	0
13	14 -10	45 7	30 -1	0.23 undefined	14.98 undefined	35.5	0
14	14 -10	44 7	29 -1	0.24 undefined	14.99 undefined	35.7	0
15	14 -10	44 7	29 -2	0.25 undefined	15 undefined	35.8	0
16	14 -10	44 7	29 -2	0.27 undefined	15.02 undefined	36	0
17	14 -10	44 7	29 -2	0.28 undefined	15.03 undefined	36.1	0
18	14 -10	44 7	29 -2	0.29 undefined	15.04 undefined	36.2	0
19	14 -10	44 7	29 -2	0.3 undefined	15.05 undefined	36.3	0
20	13 -10	44 7	29 -2	0.31 undefined	15.06 undefined	36.3	0
21	13 -10	44 7	29 -2	0.33 undefined	15.08 undefined	36.4	0
22	13 -10	44 7	29 -2	0.34 undefined	15.09 undefined	36.4	0
23	13 -10	44 7	29 -2	0.35 undefined	15.1 undefined	36.4	0
24	13 -10	44 7	29 -2	0.36 undefined	15.11 undefined	36.4	0
25	13 -10	44 7	29 -2	0.38 undefined	15.13 undefined	36.4	0
26	13 -10	44 7	29 -2	0.39 undefined	15.14 undefined	36.4	0
27	13 -10	44 7	29 -2	0.4 undefined	15.15 undefined	36.4	0
28	13 -10	44 7	29 -2	0.41 undefined	15.16 undefined	36.3	0
29	13 -10	44 7	29 -2	0.43 undefined	15.18 undefined	36.3	0
30	13 -10	44 7	29 -2	0.45 undefined	15.2 undefined	36.3	0
31	13 -10	44 7	29 -2	0.46 undefined	15.21 undefined	36.2	0